radiochromatography

[ rey-dee-oh-kroh-muh-tog-ruh-fee ]
/ ˌreɪ di oʊˌkroʊ məˈtɒg rə fi /

noun Chemistry.

chromatography in which radiolabeled substances on the chromatogram are determined quantitatively or qualitatively by measuring their radioactivity.

Origin of radiochromatography